카테고리 없음
Swift constraints programmatically
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2021. 5. 25. 22:13
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| class ViewController: UIViewController { | |
| private let myView : UIView = { | |
| let myView = UIView() | |
| myView.translatesAutoresizingMaskIntoConstraints = false | |
| myView.backgroundColor = .link | |
| return myView | |
| }() | |
| private let secondView : UIView = { | |
| let myView = UIView() | |
| myView.translatesAutoresizingMaskIntoConstraints = false | |
| myView.backgroundColor = .systemRed | |
| return myView | |
| }() | |
| override func viewDidLoad() { | |
| super.viewDidLoad() | |
| view.addSubview(myView) | |
| myView.addSubview(secondView) | |
| addConstraints() | |
| } | |
| private func addConstraints(){ | |
| var constraints = [NSLayoutConstraint]() | |
| constraints.append(myView.leadingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.leadingAnchor)) | |
| constraints.append(myView.trailingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.trailingAnchor)) | |
| constraints.append(myView.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor)) | |
| constraints.append(myView.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor)) | |
| constraints.append(secondView.leadingAnchor.constraint(equalTo: myView.safeAreaLayoutGuide.leadingAnchor, constant: 120)) | |
| constraints.append(secondView.trailingAnchor.constraint(equalTo: myView.safeAreaLayoutGuide.trailingAnchor,constant: 120)) | |
| constraints.append(secondView.bottomAnchor.constraint(equalTo: myView.safeAreaLayoutGuide.bottomAnchor,constant: 120)) | |
| constraints.append(secondView.topAnchor.constraint(equalTo: myView.safeAreaLayoutGuide.topAnchor,constant: 120)) | |
| constraints.append(secondView.widthAnchor.constraint(equalTo: myView.widthAnchor, multiplier: 0.5)) | |
| NSLayoutConstraint.activate(constraints) | |
| } | |
| } |